The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2021
Filed:
Mar. 15, 2018
Fujifilm Corporation, Tokyo, JP;
Ayako Muramatsu, Kanagawa, JP;
Hiroshi Sato, Kanagawa, JP;
Kengo Saito, Kanagawa, JP;
Takashi Komiyama, Kanagawa, JP;
Keita Takahashi, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide an optical film having an optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. This optical film of the present invention is an optical film at least having an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and the optically anisotropic layer has a density of 1.20 g/cmor more and a crosslinking point density of 0.0016 mol/cmor more.